CN104130587A - Rubber powder modified asphalt composition capsule - Google Patents
Rubber powder modified asphalt composition capsule Download PDFInfo
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- CN104130587A CN104130587A CN201410347426.4A CN201410347426A CN104130587A CN 104130587 A CN104130587 A CN 104130587A CN 201410347426 A CN201410347426 A CN 201410347426A CN 104130587 A CN104130587 A CN 104130587A
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- rubber powder
- modified asphalt
- composition capsule
- powder modified
- asphalt composition
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Abstract
The invention discloses a rubber powder modified asphalt composition capsule. The composition capsule is obtained by wrapping rubber powder modified asphalt with lime shell, and comprises the following raw materials by weight: 30-40% of road asphalt, 10-20% of crushed asphalt asbestos, 5-10% of rubber powder, 35-45% of lime, 0.04-0.06% of water, 1-2% of hard asphalt and 0.4-0.6% of zeolite. Through encapsulation of rubber modified asphalt and transportation the form of bags, energy consumption in the transport process of rubber powder modified asphalt is saved, and the problem of poor storage stability of rubber powder modified asphalt is effectively solved. In addition, by adding admixture, the road performances of the modified asphalt is improved, especially the water stability and low temperature crack resistance; and the modified asphalt composition capsule is better than that of SBS modified asphalt under the same conditions.
Description
Technical field
The invention belongs to technical field of composite materials, be specifically related to a kind of rubber powder modified asphalt composition capsule.
Background technology
Petroleum pitch has been widely used in the fields such as road, airport, building, but due to himself some shortcomings, adopts polymer modified asphalt to become the main contents of domestic and international research.Along with the development of communications and transportation, the volume of traffic increases, and weight-carrying capacity improves, and original bituminous pavement is because loading capacity is compared with little and fragile.The development need of Road construction has both at home and abroad proposed more and more higher requirement to the quality of bituminous concrete pavement.Research is found, is adopted various polymer modified asphalts can greatly improve the use properties of bituminous pavement.Due to these premium propertiess, polymer modified asphalt becomes important in road oil, in world's highway pavior, is bringing into play more and more important effect.And wherein the research of the modifying asphalt such as SBS, SBR is more, its technology is mature on the whole, this type of modifying asphalt can improve the pavement performance of pitch and asphalt preferably, meets certain requirement of engineering, but its expensive price has seriously limited the popularization of this technology.
Along with the development of transportation, the improving constantly of people's living standard, automobile pollution increases year by year.China faces now comparatively severe junked tire and processes problem.At present, the main path of disposal junked tire is to stack (or landfill), burning and regeneration etc.These all, by consuming a large amount of land resources, cause atmospheric pollution, have produced and have had in a large number toxic byproduct to be all unfavorable for Sustainable development.If only by cold-treating process, junked tire is carried out mechanical workout or completely just do not process and can be applied to engineering or material, comparatively " turning waste into wealth " of science environmental protection, is conducive to Sustainable development.So waste-tyre rubber-powder has been become to the research emphasis of countries in the world for Road construction.This method not only can second stage employ junked tire, do not cause atmospheric pollution, with the generation of harmful side product, can also effectively improve the pavement performance of asphalt simultaneously.
Pitch, in transportation, storage and use procedure, needs the external world constantly to its energy supply, makes it remain liquid.And the temperature that modifying asphalt is possessed in transportation, storage and use procedure will be higher than matrix pitch, its required energy consumption is larger, and by a large amount of carbonic acid gas of discharge.For rubber modified asphalt, its poor stability is the important factor of its widespread use of restriction, and in storage and transportation, modifying asphalt easily produces segregation, for construction, affects greatly.If rubber modified asphalt is stored under normal temperature with a kind of comparatively stable state, can greatly reduces energy consumption in the stability that maintains the performance of pitch and compound thereof, and reduce CO
2discharge capacity.
Summary of the invention
Main purpose of the present invention is that energy consumption is high in transit in order to solve rubber powder modified asphalt, and the critical problem of poor storage stability provides a kind of and can stablize at normal temperatures the modified asphalt composite material of preserving.
A rubber powder modified asphalt composition capsule, adopts lime shell parcel rubber powder modified asphalt to obtain.
A rubber powder modified asphalt composition capsule, raw material is 30～40% bi tumenf orr oads, 10～20% pitch asbestos tiles of pulverizing by mass percentage, 5～10% rubber powder, 35～45% lime, 1～2% gilsonite, the zeolite of 0.4-0.6%; Adopt with the following method and prepare:
1) by the pre-mix of pitch asbestos tile, zeolite and gilsonite of pulverizing;
2) pre-mix mixture being joined to bi tumenf orr oad mixes;
3) add wherein rubber powder mix to obtain rubber asphalt cement;
4) finally add lime mix to obtain rubber powder modified asphalt composition capsule.
Press such scheme, described rubber powder is to be pulverized and formed by junked tire, and fineness is within the scope of 30～100 orders.
Press such scheme, described lime is that purity is the calcium hydroxide of 93～98wt%.
Press such scheme, described gilsonite is that molecular formula is C
28h
16c
l8o
8stellar coal.
The asphalt that utilizes above-mentioned rubber powder modified asphalt composition capsule to prepare.
Beneficial effect of the present invention:
1) by rubber modified asphalt is encapsulated, with packed form, transport, saved the energy consumption of rubber modified asphalt in transportation;
2) the encapsulated segregation that can effectively solve again rubber powder and pitch of while rubber modified asphalt;
3) in addition, by adding of admixture, improve the pavement performance of modifying asphalt, especially improved its water stability and crack resistance at low-temperature.Under equal conditions, be better than SBS modifying asphalt.
Embodiment
Following examples further illustrate technical scheme of the present invention, but not as limiting the scope of the invention.
Rubber powder modified asphalt composition capsule of the present invention, adopts lime shell parcel rubber powder modified asphalt to obtain.
Rubber powder modified asphalt composition capsule of the present invention, raw material is 30～40% bi tumenf orr oads, 10～20% pitch asbestos tiles of pulverizing by mass percentage, 5～10% rubber powder, 35～45% lime, 1～2% gilsonite, the zeolite of 0.4-0.6%; Adopt with the following method and prepare:
1) by the pre-mix of pitch asbestos tile, zeolite and gilsonite of pulverizing;
2) pre-mix mixture being joined to bi tumenf orr oad mixes;
3) add wherein rubber powder mix to obtain rubber asphalt cement;
4) finally add lime mix to obtain rubber powder modified asphalt composition capsule.
By rubber modified asphalt is encapsulated, with packed form, transport, saved the energy consumption of modifying asphalt in transportation, effectively solved a difficult problem for modifying asphalt poor storage stability simultaneously.
Optimally, described rubber powder is to be pulverized and formed by junked tire, and fineness is within the scope of 30～100 orders.
Optimally, described lime is that purity is 93～98% calcium hydroxide.
The asphalt that utilizes above-mentioned rubber powder modified asphalt composition capsule to prepare.Admixture add the pavement performance that has improved modifying asphalt, especially improved its water stability and crack resistance at low-temperature.Under equal conditions, be better than SBS modifying asphalt.
Embodiment 1
The present embodiment mineral aggregate formate gradation composition used is as follows
AC-16 formate gradation composition
For relatively SBS pitch and rubber powder modified asphalt composition capsule for the impact of mixture performance, two kinds of asphalts are carried out to performance comparison test.Content of the test is respectively water stability, high temperature rut, cold performance test.The test that wherein water stability detects is residual stability and freeze thawing split test.In two groups of tests, except pitch kind is different, all the other experiment conditions are all identical.
And the mass percent of rubber powder modified asphalt composition capsule is: 33% bi tumenf orr oad, the 10% pitch asbestos tile of pulverizing, 10% rubber powder, 45% lime, 1.5% gilsonite, 0.5% zeolite.
(1) water stability detects
Table 1 Marshall stability standard test result
By table 1 Marshall stability standard test result, can be found out, Novel rubber powder modified asphalt mixture no matter water-bath whether, its Marshall stability is all obviously better than SBS modified asphalt mixture, and its remaining stability is also stronger compared with SBS.
By freeze thawing spilt test result, can be found out, the no matter whether freeze thawing of Novel rubber powder modified asphalt mixture, its cleavage strength is all obviously better than SBS modified asphalt mixture, and the TSR of rubber powder modified asphalt compound approaches 100%, its cleavage strength of process freeze thawing is substantially constant, is significantly better than the TSR of SBS modified asphalt mixture.Be shown in Table 2.
Table 2 freeze thawing spilt test result
Two experiments by water stability can significantly be found, identical bitumen aggregate ratio, and under same experimental conditions, the water stability of the corresponding compound of rubber powder modified asphalt composition capsule is obviously better than SBS modified asphalt mixture.
(2) low-temperature performance experiment is indirect stretching experiment at 5 ℃ and the three point bending test of 0 ℃.
The experimental result that table 3 low temperature indirect stretches
| Mix type | Voidage (%) | Cleavage strength (MPa) |
| SBS | 4.1 | 2.281 |
| Pitch capsule | 4.3 | 2.807 |
From table 3 experimental result, under identical test environment, the cleavage strength of SBS modified asphalt mixture is starkly lower than Novel rubber powder modified asphalt mixture, illustrates that the crack resistance at low-temperature of the corresponding compound of rubber powder modified asphalt composition capsule is better.
Table 4 three-point bending test result
Test-results by table 4 three-point bending easily finds out, the bending tensile strength of SBS asphalt is larger, and corresponding should changing is little, and its bending stiffness modulus is larger.Stiffness modulus reduce the increase with maximum bending resistance stretching strain, illustrated that rubber powder modified asphalt composition capsule has been given Asphalt Mixture at Low Temperature flexible, its low-temperature performance is better.
Embodiment 2
Mineral aggregate formate gradation composition and test that the present embodiment is used are identical with embodiment 1.
40% bi tumenf orr oad, the 17.5% pitch asbestos tile of pulverizing, 5% rubber powder, 35% lime, 2% gilsonite, 0.5% zeolite.
(1) water stability detects
Table 5 Marshall stability standard test result
By table 5 Marshall stability standard test result, can be found out, Novel rubber powder modified asphalt mixture no matter water-bath whether, its Marshall stability is all obviously better than SBS modified asphalt mixture, and its remaining stability is also stronger compared with SBS.
Table 6 freeze thawing spilt test result
By table 6 freeze thawing spilt test result, can be found out, the no matter whether freeze thawing of Novel rubber powder modified asphalt mixture, its cleavage strength is all obviously better than SBS modified asphalt mixture, and the TSR of Novel rubber powder modified asphalt mixture is also significantly better than the TSR of SBS modified asphalt mixture.
Two experiments by water stability can significantly be found, identical bitumen aggregate ratio, and under same experimental conditions, the water stability of the corresponding compound of rubber powder modified asphalt composition capsule is obviously better than SBS modified asphalt mixture.
(2) low-temperature performance experiment is indirect stretching experiment at 5 ℃ and the three point bending test of 0 ℃.
The experimental result that table 7 low temperature indirect stretches
| Mix type | Voidage (%) | Cleavage strength (MPa) |
| SBS | 4.6 | 2.362 |
| Pitch capsule | 4.4 | 2.495 |
From table 7 experimental result, under identical test environment, the cleavage strength of SBS modified asphalt mixture is starkly lower than Novel rubber powder modified asphalt mixture, illustrates that the crack resistance at low-temperature of the corresponding compound of rubber powder modified asphalt composition capsule is better.
Test-results by table 8 three-point bending easily finds out, the bending tensile strength of SBS asphalt is larger, and corresponding should changing is little, and its bending stiffness modulus is larger.Stiffness modulus reduce the increase with maximum bending resistance stretching strain, illustrated that rubber powder modified asphalt composition capsule has been given Asphalt Mixture at Low Temperature flexible, its low-temperature performance is better.
Table 8 three-point bending test result
Test-results by three-point bending easily finds out, the bending tensile strength of SBS asphalt is larger, and corresponding should changing is little, and its bending stiffness modulus is larger.Stiffness modulus reduce the increase with maximum bending resistance stretching strain, illustrated that rubber powder modified asphalt composition capsule has been given Asphalt Mixture at Low Temperature flexible, its low-temperature performance is better.
Claims (6)
1. a rubber powder modified asphalt composition capsule, is characterized in that adopting lime shell parcel rubber powder modified asphalt to obtain.
2. a rubber powder modified asphalt composition capsule, it is characterized in that raw material is 30～40% bi tumenf orr oads, 10～20% pitch asbestos tiles of pulverizing by mass percentage, 5～10% rubber powder, 35～45% lime, 1～2% gilsonite, the zeolite of 0.4-0.6%; Adopt with the following method and prepare:
1) by the pre-mix of pitch asbestos tile, zeolite and gilsonite of pulverizing;
2) pre-mix mixture being joined to bi tumenf orr oad mixes;
3) add wherein rubber powder mix to obtain rubber asphalt cement;
4) finally add lime to obtain rubber powder modified asphalt composition capsule.
3. rubber powder modified asphalt composition capsule as claimed in claim 2, is characterized in that described rubber powder is to be pulverized and formed by junked tire, and fineness is within the scope of 30～100 orders.
4. rubber powder modified asphalt composition capsule as claimed in claim 2, is characterized in that described lime is that purity is the calcium hydroxide of 93～98wt%.
5. rubber powder modified asphalt composition capsule as claimed in claim 2, is characterized in that described gilsonite is that molecular formula is C
28h
16c
l8o
8stellar coal.
6. the asphalt that utilizes the rubber powder modified asphalt composition capsule described in claim 1-5 any one to prepare.
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| CN201410347426.4A CN104130587A (en) | 2014-07-21 | 2014-07-21 | Rubber powder modified asphalt composition capsule |
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| CN201410347426.4A CN104130587A (en) | 2014-07-21 | 2014-07-21 | Rubber powder modified asphalt composition capsule |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832497A (en) * | 2017-02-27 | 2017-06-13 | 福建铁拓机械有限公司 | A kind of rubberized asphalt pellets regenerative agent and its preparation technology and device |
| CN108384255A (en) * | 2018-02-02 | 2018-08-10 | 黄河三角洲京博化工研究院有限公司 | A kind of pitch releasable sbr powder microcapsules and preparation method thereof |
| CN109504107A (en) * | 2018-11-16 | 2019-03-22 | 武汉市汉阳市政建设集团公司 | A kind of color asphalt composition capsule and preparation method thereof |
| CN109971187A (en) * | 2019-04-12 | 2019-07-05 | 长安大学 | A kind of cold repairing additive material and its preparation method and application |
| CN110041718A (en) * | 2019-04-25 | 2019-07-23 | 山东高速路用新材料技术有限公司 | A kind of preparation method of environment-friendly type asphalt modifier |
| CN110655349A (en) * | 2019-09-04 | 2020-01-07 | 合肥工业大学 | Asphalt pavement pit repairing capsule and preparation and construction method thereof |
| CN111647277A (en) * | 2020-05-19 | 2020-09-11 | 中国森田企业集团有限公司 | Solid pellets for transporting asphalt in solidified form |
| CN112521057A (en) * | 2020-11-18 | 2021-03-19 | 嘉禾县永丰混凝土有限公司 | Double repairing agent for concrete and preparation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027070A (en) * | 2008-08-29 | 2011-04-20 | 威廉·R·拜莱 | Rubberized asphalt pellets |
| CN102531471A (en) * | 2010-12-31 | 2012-07-04 | 上海龙孚材料技术有限公司 | Emulsified asphalt, mixed material containing same and road surface formed by mixed material |
| CN102795811A (en) * | 2011-05-23 | 2012-11-28 | 河源海川科技有限公司 | Warm-mixed rubberized asphalt mixture and preparation method thereof |
| CN103059589A (en) * | 2012-12-28 | 2013-04-24 | 中国铁道科学研究院金属及化学研究所 | Emulsified asphalt for ballastless slab track in severe cold region and preparation method thereof |
-
2014
- 2014-07-21 CN CN201410347426.4A patent/CN104130587A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027070A (en) * | 2008-08-29 | 2011-04-20 | 威廉·R·拜莱 | Rubberized asphalt pellets |
| CN102531471A (en) * | 2010-12-31 | 2012-07-04 | 上海龙孚材料技术有限公司 | Emulsified asphalt, mixed material containing same and road surface formed by mixed material |
| CN102795811A (en) * | 2011-05-23 | 2012-11-28 | 河源海川科技有限公司 | Warm-mixed rubberized asphalt mixture and preparation method thereof |
| CN103059589A (en) * | 2012-12-28 | 2013-04-24 | 中国铁道科学研究院金属及化学研究所 | Emulsified asphalt for ballastless slab track in severe cold region and preparation method thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832497A (en) * | 2017-02-27 | 2017-06-13 | 福建铁拓机械有限公司 | A kind of rubberized asphalt pellets regenerative agent and its preparation technology and device |
| CN106832497B (en) * | 2017-02-27 | 2018-04-24 | 福建铁拓机械有限公司 | A kind of rubberized asphalt pellets regenerative agent and its preparation process and device |
| CN108384255A (en) * | 2018-02-02 | 2018-08-10 | 黄河三角洲京博化工研究院有限公司 | A kind of pitch releasable sbr powder microcapsules and preparation method thereof |
| CN108384255B (en) * | 2018-02-02 | 2020-06-30 | 黄河三角洲京博化工研究院有限公司 | Releasable styrene-butadiene rubber powder microcapsule for asphalt and preparation method thereof |
| CN109504107A (en) * | 2018-11-16 | 2019-03-22 | 武汉市汉阳市政建设集团公司 | A kind of color asphalt composition capsule and preparation method thereof |
| CN109971187A (en) * | 2019-04-12 | 2019-07-05 | 长安大学 | A kind of cold repairing additive material and its preparation method and application |
| CN110041718A (en) * | 2019-04-25 | 2019-07-23 | 山东高速路用新材料技术有限公司 | A kind of preparation method of environment-friendly type asphalt modifier |
| CN110041718B (en) * | 2019-04-25 | 2021-11-19 | 山东高速路用新材料技术有限公司 | Preparation method of environment-friendly asphalt modifier |
| CN110655349A (en) * | 2019-09-04 | 2020-01-07 | 合肥工业大学 | Asphalt pavement pit repairing capsule and preparation and construction method thereof |
| CN111647277A (en) * | 2020-05-19 | 2020-09-11 | 中国森田企业集团有限公司 | Solid pellets for transporting asphalt in solidified form |
| CN112521057A (en) * | 2020-11-18 | 2021-03-19 | 嘉禾县永丰混凝土有限公司 | Double repairing agent for concrete and preparation method |
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Application publication date: 20141105 |